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동해지역 NOAA/AVHRR 고해상도 주평균 해수면 온도의 통계적 분석 : 지역적 변동성과 엘니뇨/남방진동과의 관계성
권태영,이방용,이정순,Kwon, Tae-Yong,Lee, Bang-Yong,Lee, Jeong-Soon 한국해양과학기술원 2001 Ocean and Polar Research Vol.23 No.4
The characteristics of SST variability in the East Sea are analyzed using NOAA/AVHRR weekly SST data with about $0.18^{\circ}{\times}0.18^{\circ}$ resolution ($1981{\sim}2000$) and reconstructed historical monthly SST data with $2^{\circ}{\times}2^{\circ}$ resolution $(1950{\sim}1998)$. The distinct feature of wintertime SST is high variability in the western and eastern parts of $38^{\circ}{\sim}40^{\circ}$ latitudinal band, which are the northern boundary of warm current in the East Sea during winter. However, summertime SST exhibits variability with similar magnitude in the entire region of the East Sea. The analysis of remote correlation also shows that SST in the East Sea is closely correlated with that in the region of Kuroshio in winter, but in summer is related with that in the western and eastern regions of the same latitudes. From these results it is postulated that the SST variability in the East Sea may be related with the variations of East Korean Warm Current and Tsushima Warm Current in winter, but in summer probably with the variations of atmospheric components. In the analysis of ENSO related SST anomaly, a significant negative correlation between SST anomalies in the East Sea and SST anomalies in the tropical Pacific is found in the months of August-October (ASO). The SST in the ASO period shows more significant cooling in E1 $Ni\~{n}o$ events than warming in La $Ni\~{n}a$ events. Also, the regional analysis shows by the Student's t-test that the negative SST anomalies in the E1 $Ni\~{n}o$ events are more significant in the southwestern part of the East Sea.
Cu ECMP 공정에서 전해액이 연마거동에 미치는 영향
권태영,김인권,김태곤,조병권,박진구,Kwon, Tae-Young,Kim, In-Kwon,Kim, Tae-Gon,Cho, Byung-Gwun,Park, Jin-Goo 한국재료학회 2008 한국재료학회지 Vol.18 No.6
The purpose of this study is to characterize various electrolytes on electrochemical mechanical planarization (ECMP). The ECMP system was modified from conventional CMP system to measure the potentiodynamic curve and removal rate of Cu. The potentiodynamic curves were measured in static and dynamic states in investigated electrolytes using a potentiostat for the evaluation of the polishing behavior on ECMP. KOH (alkaline) and $NaNO_3$ (salt) were selected as electrolytes which have high conductivity. In static and dynamic states, the corrosion potential decreased and the corrosion current increased as a function of the electrolyte concentration. But, the electrochemical reaction was prevented by mechanical polishing effect in the dynamic state. The static etch and removal rate were measured as functions of concentration and applied voltage. When $NaNO_3$ was used, the dissolution was much faster than that of KOH. It was concluded that the removal rate was strongly depended on electrochemical dissolution. The removal rate increased up to 350 nm/min in $NaNO_3$ based electrolyte.
권태영,안승락,송철,박종균,김영섭,황재삼,권오유,Kwon, Tae-Young,An, Seung-Lak,Song, Cheol,Park, Jong-Kyun,Kim, Young-Sub,Hwang, Jae-Sam,Kwon, O-Yu 한국생명과학회 1998 생명과학회지 Vol.8 No.1
진딧물이 하나의 ribosomal RNA 유전자(rDNA)단위는 총 길이가 13,061bp이며 총 G/C비율은 59%이다. 그것을 구성하고 있는 각 영역의 길이와 G/C비율은 다음과 같다. 5’ETS는 G/C비율이 69%이고 843bp이다 . 18S rRNA 는 2,469bp이며 G/C비율은 59%이다. ITS I길이는 229bp이며 70%의 G/C비율이다. 5.8S rRNA는 160bp이며 63%의 G/C비율이다. ITS II는 325bp이며 70%dml G/C비율이다. 28S rRNA는 4, 147bp이고 60%의 G/C비율이다. IGS는 4,888bp로 55%의 G/C비율이다. The length and G/C concent of regions of an aphid rDNA unit that spans 13,061bo with 59% G/C content. flolowing belowing below are the those results, 5’ETS is 843bp in length with 69% G/C content, 18S is 2,469bp in length with 59% G/C content, ITS I is 229bp in length with 70% G/C content, 5.8S is 160bp in length with 63% G/C content, ITS II is 325bp in length with 70% G/C content, 28S is 4, 147bp in length with 60% G/C content, IGS is 4,888bp in length with 55% G/C content.
분산지역 및 농촌마을 하수처리를 위한 자연정화 고도처리공법 개발
권태영 ( Kwon Tae-young ),김형중 ( Kim Hyung-joong ),윤춘경 ( Yoon Chun-gyeong ) 한국농공학회 2006 한국농공학회 학술대회초록집 Vol.2006 No.-
Natural treatment technologies were various research efforts to increase efficiency. But they reported problem of substrate clogging and too much plant stresses because of long-term operation with input of raw sewage except pretreatment. This study intends to treat it by separating removal unit of organic pollutant and nutrient for decentralized wastewater in rural communities. The Natural and Ecological Wastewater treatment System (NEWS process) were developed. The process consists of two main units; First unit is intermittent trickling biofilter using ultra hydrophilic filter media that perform to remove organic pollutants, nitrify NH4-N and prevent clogging phenomenon in constructed wetlands. With the purpose of removing nutrient, second unit is constructed treatment wetlands contained special substrate that is not sand, soil, gravel but light weight porous granule materials. In addition, it has innovative flow type that continuously repeat upflow and downflow. A pilot scale study was set up to investigate the principle design parameters of the NEWS process for treating small communities wastewater in decentralized regions of Korea.